Recent nursing graduates have starting salaries that are distributed using a bell-shaped distribution with a mean of 56,000 and a standard deviation of 3,000. Use theEmpirical Rule to answer the following.a. What percentage of salaries are between 50,000 and 59,000?Answer =E %If needed, round your answers to 1 decimal placeb. What percentage of salaries are below 53,000?Answer =E%If needed, round your answers to 1 decimal placeandc. 95% of salaries are between

The empirical rule states that for bell shaped distribution, 68% of data lies within 1 standard…

Answered: Recent nursing graduates have starting…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Approximate the mean and standard deviation for age.
The race speeds (in minutes) for the top eight cars in a 200-mile race are listed below. Use the range rule of thumb to estimate the standard deviation. Round results to the nearest tenth.181.0 180.6 189.2 182.2 175.6 180.0 177.9 181.8 Question content area bottomPart 1A.6.8 minutesB.7.5 minutesC.3.4 minutesD.1.1 minutes
Electricity bills: According to a government energy agenCy 2011 was $110. 10. Assume the amounts are normally distributed with standard deviation $21.00. Use the TI-84 Plus calculator to answer the following. electricity bil in the United States in (a) Find the 7th percentile of the bill amounts. (b) Find the 58th percentile of the bill amounts. (c) Find the median of the bill amounts. Round the answers to at least two decimal places.
Can you please help by providing the answer
The weights for newborn babies is approximately normally distributed with a mean of 6.1 pounds and a standard deviation of 1.8 pounds. Use the Cumulative Z-Score Table to answer the questions below. Write your answers rounded to the nearest whole number. Consider a group of 1200 newborn babies: • How many would you expect to weigh between 7.72 and 9.34 pounds? • How many would you expect to weigh less than 9.7 pounds? How many would you expect to weigh more than 6.37 pounds? How many would you expect to weigh between 6.1 and 7.54 pounds?
The average production cost for major movies is 66 million dollars and the standard deviation is 18 million dollars. Assume the production cost distribution is normal. Suppose that 50 randomly selected major movies are researched. Answer the following questions. Give your answers in millions of dollars, not dollars. Round all answers to 4 decimal places where possible.
Help The mean useful life of car batteries is 48 months. They have a standard deviation of 5. Assume the useful life of batteries is normally distributed. a. Calculate the percent of batteries with a useful life of less than 43 months. (Round your answer to the nearest hundredth percent.) b. Calculate the percent of batteries that will last longer than 53 months. (Round your answer to the nearest hundredth percent.) a. Percent of batteries % b. Percent of batteries Next > Mc Graw Hill ! 1 Q A @ 2 Ne N r option W #3 S % So E X command $ 4 D R C < Prev % LO 5 F T 14 of 14 6 V G ⠀⠀ Y & 7 #Y H B 4 8 Dal J N 1 K M O Save & Exit L < MOSISO . command H Submit 96 1 ? optic
Bob Nale is the owner of Nale's Quick Fill. Bob would like to estimate the mean number of gallons of gasoline sold to his customers. Assume the number of gallons sold follows the normal distribution with a population standard deviation of 1.90 gallons. From his records, he selects a random sample of 80 sales and finds the mean number of gallons sold is 7.00. a. What is the point estimate of the population mean? (Round your answer to 2 decimal places.) Point estimate b. Determine a 99% confidence interval for the population mean. (Use z Distribution Table.) (Round your answers to 2 decimal places.) Confidence interval and Prev 1 of 6 waw www Next >
The Internal Revenue Service reports that the mean federal income tax paid in the year 2010 was $8040. Assume that the standard deviation is $4900. The IRS plans to draw a sample of 1000 tax returns to study the effect of a new tax law. Do you think it would be unusual for an individual to pay a tax of less than $7800? Explain. Assume the variable is normally distributed. Round the answer to at least four decimal places.

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